Phone: (03) 377 8600 or (09) 551 9350



We are a unique multi-discipline building services consultancy. Our expertise include mechanical, hydraulic, electrical, fire and environmentally sustainable design engineering.


Cosgroves provide comprehensive electrical design solutions that include reticulation systems, switchboards, emergency power systems, lighting and power layouts, intelligent buildings, electric heating, structured cabling solutions (IT), security and MATV systems.

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Cosgroves specialises in performance based fire safety review and design for new and existing buildings. Specialist fire engineering tools, such as computer-based CFD modelling are used to develop solutions that are safe, empathetic to building form and meeting our clients' needs for function and cost.

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Mechanical & Hydraulic

Cosgroves delivers specialist Mechanical and Hydraulic services designs and technical advice. The broad ranges of fields covered by our design team include heating, ventilation, air-conditioning, plumbing and drainage, medical and LPG gases, thermal and energy computer modelling, and specialist advice on intelligent and BMS controls.

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Sustainable Design

Cosgroves has a team of engineers who are accredited professionals in Sustainable Design including GreenStar and NABERS. We have significantly invested in computer based design tools that allow us to undertake analyisis and calculations in a wide range of modelling capabilities including energy modelling, thermal performance & insulation and daylight modelling.

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